PowerFlex: CSI Driver pods stuck in a CrashLoopBackOff state

The node pods appeared in CrashLoopBackOff:

vxflexos-node-xxxxx 1/2 CrashLoopBackOff 48 (4m44s ago) 3h47m

The registrar logs showed the following errors:

I0212 19:23:51.989914       1 main.go:108] "Received NotifyRegistrationStatus call" status="&RegistrationStatus{PluginRegistered:false,Error:RegisterPlugin error -- plugin registration failed with err: rpc error: code = Unknown desc = could not find given NAS server by name,}"
E0212 19:23:51.989935       1 main.go:110] "Registration process failed with error, restarting registration container" err="RegisterPlugin error -- plugin registration failed with err: rpc error: code = Unknown desc = could not find given NAS server by name"

The secret showed the following entry:

  nasName: none

The secret was incorrectly passing in a nasName of none that did not exist on the array.

The user changed the secret using the documentation to either remove the nasName entry or set it to "" as in the following example:

nasName: ""

Related articles:

• The PowerFlex gateway SSL certificate expires every 90 days causing the CSI Driver to fail.
• CSM: CSI Driver for PowerFlex CrashLoopBackOff due to Gateway Login Timeout
• Install the CSI driver with replication side car | Replication using Container Storage Module with Dell PowerFlex | Dell Technologies Info Hub

This behavior also occurred at CSI Driver for PowerFlex 2.16.1 with the following messages:

Node pod driver log:

time="2026-04-23T13:36:41Z" level=info msg="/csi.v1.Node/NodeGetInfo: REP 0014: 502 Bad Gateway"

Node pod registrar log:

E0423 13:36:41.635874       1 main.go:113] "Registration process failed with error, restarting registration container" err="RegisterPlugin error -- plugin registration failed with err: rpc error: code = Unknown desc = 502 Bad Gateway"